WATER! WATER! HOW SAFE?

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WATER! WATER! HOW SAFE?
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INTRODUCTION

• Water is the fountain head of life.
• For the development of human societies, water
  should be available in the acceptable quantity
  and quality.

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NEED

• In city everybody uses packaged drinking water.
• To compare packaged drinking water requirement of
  Urban and Rural people.

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METHODOLOGY

• Survey in Varthur village - 22kms away from the
  city.
• Analysis of water samples from bore well and
  public taps.

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Data collected

• Out of 72 houses, 43 houses use packaged water.
• 10 houses are using aqua guard.

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Hypotheses

• People in Varthur prefer packaged drinking water
  because tap water is hard and contaminated.

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Water sampling
parameters Obtained Values Obtained Values Permissible Limits
parameters Sampling Point Sampling Point Permissible Limits
parameters Bore well Tap Permissible Limits
Calcium(mg/L) 125.85 32.06 75
Hardness(mg/L) 761.2 733.2 -250/mg/L
Chloride(mg/L) 665.41 748.91 250
Turbidity(NTU) lt10 lt10 Should not be greater than 10 NTU
Phosphate(mg/L) 0.053 0.025 0.03
Sodium(mg/L) 238 420 200
Potassium(mg/L) 9 197 No limit specified
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DATA ANALYSIS

• Water is hard
• High concentration of Sodium and Chloride
• Bore well sample shows high concentration of
  Calcium and Phosphate

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RESULT

• Proved villagers statement

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CONCLUSION

• Drinking water treatment plant to be established.
• Water sources should be protected.